package cn.hxzy.service;

import cn.hxzy.common.R;
import cn.hxzy.entity.User;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author yuankan.WANG
 * @since 2022-01-13
 */
public interface UserService extends IService<User> {
    R update(String userName);

    R sel();
}
